Andrei Pirlea 0aabe84460
Added --index flag to input list (#11580)
# Description
This PR closes #11571 

Add `--index` flag to input list.

For example:

![image](https://github.com/nushell/nushell/assets/72006223/19efb011-1ff8-4916-b2bd-6f73e89cb186))
 
# Tests + Formatting
 Added new example for `--index` flag.
2024-01-24 11:57:29 -06:00
..